1/* Copyright (C) 1995-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18#include <sysdep.h> 19 20/* Please consult the file sysdeps/unix/sysv/linux/i386/sysdep.h for 21 more information about the value -4095 used below.*/ 22 23 .text 24ENTRY (syscall) 25 26 PUSHARGS_6 /* Save register contents. */ 27 _DOARGS_6(44) /* Load arguments. */ 28 movl 20(%esp), %eax /* Load syscall number into %eax. */ 29 ENTER_KERNEL /* Do the system call. */ 30 POPARGS_6 /* Restore register contents. */ 31 cmpl $-4095, %eax /* Check %eax for error. */ 32 jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */ 33 ret /* Return to caller. */ 34 35PSEUDO_END (syscall) 36